240 KEY TO THE WATER BIRDS OF FLORIDA. 
BRANTA BERNICLA (Zinn.). 
Brant. 
' Whole of head, neck, and upper breast black, ex- 
cept a patch on the sides of the neck, which is 
white and black; back grayish brown; longer tail 
coverts white; lower breast grayish, shading into 
white on the belly. 
Length, 25; Wing, 13; Tarsus, 2.25; Bill, 1.30. 
Ranges from Arctic Circle, where it 
breeds, southward to Georgia and occa- 
sionally to Florida, several having been 
killed on the Florida coast. 
The eggs are described as creamy 
white in color, four in number. The 
nest is composed of grass and moss. 
SusramMity CYGNINUE. Swans. 
Genus OLOR WaAGLER. 
OLOR COLUMBIANUS (Ord). 
Whistling Swan. 
General plumage white; bill and feet black; a 
small yellow spot at the base of the bill in front 
of the eye which is not always present; the distance 
from the front angle of the eye to the back edge of 
the nostril is more than the distance from the back 
edge of the nostril to the end of the bill; this is one 
of the characters by which it may be distinguished 
from the Trumpeter Swan. 
The immature birds are usually ashy gray in 
color with a brownish wash on the head and upper 
neck; feet pale yellowish, sometimes pale flesh color. 
Length, 53; Wing, 21.50; Bill, 4; Tarsus, 4.20. 
This species ranges throughout most of North America, breeding in the 
far North. It is common in winter on the Atlantic coast about the Carolinas 
